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/**
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* Copyright (C) 2018 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.preference.wizard;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.UUID;
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import org.apache.commons.lang.StringUtils;
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import org.eclipse.jface.wizard.IWizardPage;
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import org.eclipse.jface.wizard.Wizard;
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import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
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import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
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import eu.etaxonomy.cdm.api.service.ITermService;
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import eu.etaxonomy.cdm.model.term.DefinedTermBase;
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import eu.etaxonomy.cdm.model.metadata.CdmPreference;
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import eu.etaxonomy.cdm.model.metadata.PreferencePredicate;
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import eu.etaxonomy.cdm.persistence.dto.TermDto;
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import eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap;
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import eu.etaxonomy.taxeditor.l10n.Messages;
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import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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/**
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 * @author k.luther
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 * @since 19.11.2018
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 *
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 */
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public class AvailableDistributionStatusAdminWizard extends Wizard implements IConversationEnabled{
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    private ConversationHolder conversation;
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    private final AvailableDistributionStatusPage aPage;
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    CdmPreference pref;
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    public AvailableDistributionStatusAdminWizard() {
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        setWindowTitle(Messages.AvailableDistributionStatusWizard_WIZARD_TITLE);
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        // TODO if preferenceStore has elements checked load elements in wizard
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        pref = PreferencesUtil.getPreferenceFromDB(PreferencePredicate.AvailableDistributionStatus);
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        if (pref == null){
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            pref = CdmPreference.NewTaxEditorInstance(PreferencePredicate.AvailableDistributionStatus, null);
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        }
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        aPage = new AvailableDistributionStatusPage(Messages.AvailableDistributionStatusWizard_PAGE_TITLE, pref, false);
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    }
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    @Override
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    public void addPages() {
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        addPage(aPage);
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    }
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    @Override
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    public IWizardPage getPage(String pageName) {
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        return aPage;
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    }
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    @Override
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    public int getPageCount() {
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       return 1;
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    }
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    @Override
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    public IWizardPage[] getPages() {
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        IWizardPage[] pages = new IWizardPage[1];
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        pages [0] = aPage;
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        return pages;
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    }
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    @Override
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    public String getWindowTitle() {
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        return Messages.AvailableDistributionStatusWizard_WINDOW_TITLE;
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    }
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    @Override
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    public boolean performCancel() {
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        // TODO Auto-generated method stub
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        return true;
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    }
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    @Override
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    public boolean performFinish() {
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        Object[] checkedElements = aPage.getViewer().getCheckedElements();
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        pref = aPage.getPreference();
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        List<UUID> listUIIDChecked = new ArrayList<>();
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        List<DefinedTermBase> preferredTerms = new ArrayList<>();
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        for (Object o : checkedElements) {
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            if(o instanceof TermDto){
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                TermDto termDto = (TermDto) o;
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                listUIIDChecked.add(termDto.getUuid());
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                preferredTerms.add(CdmStore.getService(ITermService.class).load(termDto.getUuid()));
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            }
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        }
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        String saveCheckedElements = StringUtils.join(listUIIDChecked, ";"); //$NON-NLS-1$
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        if (StringUtils.isBlank(saveCheckedElements)){
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            saveCheckedElements = null;
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        }
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        CdmPreference savePref = CdmPreference.NewTaxEditorInstance(PreferencePredicate.AvailableDistributionStatus, saveCheckedElements);
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        savePref.setAllowOverride(pref.isAllowOverride());
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        PreferencesUtil.setPreferenceToDB(savePref);
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        PreferencesUtil.firePreferencesChanged(this.getClass());
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        return true;
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    }
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    @Override
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    public void update(CdmDataChangeMap changeEvents) {
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    }
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    @Override
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    public ConversationHolder getConversationHolder() {
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        if (conversation == null) {
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            conversation = CdmStore.createConversation();
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        }
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        return conversation;
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    }
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}
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